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Finding the Fourth Proportional to 362,909.88, 544,303.20 and 110,129.40

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Solution

The fourth proportional to 362,909.88, 544,303.20 and 110,129.40 is: 165,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,909.88 : 544,303.20 = 110,129.40 : x
  2. Step 2: Convert to fraction form
    362,909.88/544,303.20 = 110,129.40/x
  3. Step 3: Cross multiply
    362,909.88x = 544,303.20 × 110,129.40
  4. Step 4: Simplify right side
    362,909.88x = 59,943,784,834.08
  5. Step 5: Solve for x
    x = 59,943,784,834.08/362,909.88
  6. Step 6: Final answer
    x = 165,175.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.